diff options
Diffstat (limited to 'src/gallium/drivers/i965/brw_pipe_rast.c')
| -rw-r--r-- | src/gallium/drivers/i965/brw_pipe_rast.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/src/gallium/drivers/i965/brw_pipe_rast.c b/src/gallium/drivers/i965/brw_pipe_rast.c deleted file mode 100644 index c86681d1495..00000000000 --- a/src/gallium/drivers/i965/brw_pipe_rast.c +++ /dev/null @@ -1,188 +0,0 @@ - -#include "util/u_memory.h" -#include "pipe/p_defines.h" -#include "brw_context.h" -#include "brw_defines.h" -#include "brw_pipe_rast.h" -#include "brw_wm.h" - - -static unsigned translate_fill( unsigned fill ) -{ - switch (fill) { - case PIPE_POLYGON_MODE_FILL: - return CLIP_FILL; - case PIPE_POLYGON_MODE_LINE: - return CLIP_LINE; - case PIPE_POLYGON_MODE_POINT: - return CLIP_POINT; - default: - assert(0); - return CLIP_FILL; - } -} - - -/* Calculates the key for triangle-mode clipping. Non-triangle - * clipping keys use much less information and are computed on the - * fly. - */ -static void -calculate_clip_key_rast( const struct brw_context *brw, - const struct pipe_rasterizer_state *templ, - const struct brw_rasterizer_state *rast, - struct brw_clip_prog_key *key) -{ - memset(key, 0, sizeof *key); - - if (brw->gen == 5) - key->clip_mode = BRW_CLIPMODE_KERNEL_CLIP; - else - key->clip_mode = BRW_CLIPMODE_NORMAL; - - key->do_flat_shading = templ->flatshade; - - if (templ->cull_face == PIPE_FACE_FRONT_AND_BACK) { - key->clip_mode = BRW_CLIPMODE_REJECT_ALL; - return; - } - - key->fill_ccw = CLIP_CULL; - key->fill_cw = CLIP_CULL; - - if (!(templ->cull_face & PIPE_FACE_FRONT)) { - if (templ->front_ccw) - key->fill_ccw = translate_fill(templ->fill_front); - else - key->fill_cw = translate_fill(templ->fill_front); - } - - if (!(templ->cull_face & PIPE_FACE_BACK)) { - if (templ->front_ccw) - key->fill_cw = translate_fill(templ->fill_back); - else - key->fill_ccw = translate_fill(templ->fill_back); - } - - if (key->fill_cw == CLIP_LINE || - key->fill_ccw == CLIP_LINE || - key->fill_cw == CLIP_POINT || - key->fill_ccw == CLIP_POINT) { - key->do_unfilled = 1; - key->clip_mode = BRW_CLIPMODE_CLIP_NON_REJECTED; - } - - switch (key->fill_cw) { - case CLIP_POINT: - key->offset_cw = templ->offset_point; - break; - case CLIP_LINE: - key->offset_cw = templ->offset_line; - break; - case CLIP_FILL: - key->offset_cw = templ->offset_tri; - break; - } - - switch (key->fill_ccw) { - case CLIP_POINT: - key->offset_ccw = templ->offset_point; - break; - case CLIP_LINE: - key->offset_ccw = templ->offset_line; - break; - case CLIP_FILL: - key->offset_ccw = templ->offset_tri; - break; - } - - if (templ->light_twoside && key->fill_cw != CLIP_CULL) - key->copy_bfc_cw = 1; - - if (templ->light_twoside && key->fill_ccw != CLIP_CULL) - key->copy_bfc_ccw = 1; -} - - -static void -calculate_line_stipple_rast( const struct pipe_rasterizer_state *templ, - struct brw_line_stipple *bls ) -{ - GLfloat tmp = 1.0f / (templ->line_stipple_factor + 1); - GLint tmpi = tmp * (1<<13); - - bls->header.opcode = CMD_LINE_STIPPLE_PATTERN; - bls->header.length = sizeof(*bls)/4 - 2; - bls->bits0.pattern = templ->line_stipple_pattern; - bls->bits1.repeat_count = templ->line_stipple_factor + 1; - bls->bits1.inverse_repeat_count = tmpi; -} - -static void *brw_create_rasterizer_state( struct pipe_context *pipe, - const struct pipe_rasterizer_state *templ ) -{ - struct brw_context *brw = brw_context(pipe); - struct brw_rasterizer_state *rast; - - rast = CALLOC_STRUCT(brw_rasterizer_state); - if (rast == NULL) - return NULL; - - rast->templ = *templ; - - calculate_clip_key_rast( brw, templ, rast, &rast->clip_key ); - - if (templ->line_stipple_enable) - calculate_line_stipple_rast( templ, &rast->bls ); - - /* Caclculate lookup value for WM IZ table. - */ - if (templ->line_smooth) { - if (templ->fill_front == PIPE_POLYGON_MODE_LINE && - templ->fill_back == PIPE_POLYGON_MODE_LINE) { - rast->unfilled_aa_line = AA_ALWAYS; - } - else if (templ->fill_front == PIPE_POLYGON_MODE_LINE || - templ->fill_back == PIPE_POLYGON_MODE_LINE) { - rast->unfilled_aa_line = AA_SOMETIMES; - } - else { - rast->unfilled_aa_line = AA_NEVER; - } - } - else { - rast->unfilled_aa_line = AA_NEVER; - } - - return (void *)rast; -} - - -static void brw_bind_rasterizer_state(struct pipe_context *pipe, - void *cso) -{ - struct brw_context *brw = brw_context(pipe); - brw->curr.rast = (const struct brw_rasterizer_state *)cso; - brw->state.dirty.mesa |= PIPE_NEW_RAST; -} - -static void brw_delete_rasterizer_state(struct pipe_context *pipe, - void *cso) -{ - struct brw_context *brw = brw_context(pipe); - assert((const void *)cso != (const void *)brw->curr.rast); - FREE(cso); -} - - - -void brw_pipe_rast_init( struct brw_context *brw ) -{ - brw->base.create_rasterizer_state = brw_create_rasterizer_state; - brw->base.bind_rasterizer_state = brw_bind_rasterizer_state; - brw->base.delete_rasterizer_state = brw_delete_rasterizer_state; -} - -void brw_pipe_rast_cleanup( struct brw_context *brw ) -{ -} |